OpenStack Neutron up to 10.0.7/11.0.6/12.0.5/13.0.2 IPTables Firewall Block 7pk security

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in OpenStack Neutron up to 10.0.7/11.0.6/12.0.5/13.0.2. The impacted element is an unknown function of the component IPTables Firewall. This manipulation causes 7pk security (Block). This vulnerability is handled as CVE-2019-9735. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in OpenStack Neutron up to 10.0.7/11.0.6/12.0.5/13.0.2 (Cloud Software) and classified as problematic. Affected by this vulnerability is an unknown code of the component IPTables Firewall. The manipulation with an unknown input leads to a 7pk security vulnerability (Block). The CWE definition for the vulnerability is CWE-254. As an impact it is known to affect availability. The summary by CVE is:

An issue was discovered in the iptables firewall module in OpenStack Neutron before 10.0.8, 11.x before 11.0.7, 12.x before 12.0.6, and 13.x before 13.0.3. By setting a destination port in a security group rule along with a protocol that doesn't support that option (for example, VRRP), an authenticated user may block further application of security group rules for instances from any project/tenant on the compute hosts to which it's applied. (Only deployments using the iptables security group driver are affected.)

The bug was discovered 03/03/2019. The weakness was released 03/13/2019 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2019-9735 since 03/12/2019. The attack can be launched remotely. A single authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1211 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 237187 (Red Hat Update for openstack-neutron (RHSA-2019:0935)).

Upgrading to version 10.0.8, 11.0.7, 12.0.6 or 13.0.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 107390†). Entry connected to this vulnerability is available at VDB-133065. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Block
Class: 7pk security / Block
CWE: CWE-254
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OpenStack Neutron 10.0.8/11.0.7/12.0.6/13.0.3

Timelineinfo

03/03/2019 🔍
03/03/2019 +0 days 🔍
03/12/2019 +9 days 🔍
03/13/2019 +1 days 🔍
03/13/2019 +0 days 🔍
07/31/2023 +1601 days 🔍

Sourcesinfo

Advisory: RHSA-2019:0879⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-9735 (🔍)
GCVE (CVE): GCVE-0-2019-9735
GCVE (VulDB): GCVE-100-131611
SecurityFocus: 107390 - OpenStack Neutron CVE-2019-9735 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 03/13/2019 07:05
Updated: 07/31/2023 17:07
Changes: 03/13/2019 07:05 (63), 05/15/2020 17:35 (5), 07/31/2023 17:07 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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